Question
Download Solution PDFAs per the Indian standard code (2470 - 1985, Part 1), the minimum width of the septic tank assumed for design purpose is _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFA septic tank is an underground chamber made from brick walls and a cement mortar foundation, designed for the treatment of domestic wastewater.
Construction Details:
- Wall Thickness:
- The brick wall is constructed with a thickness of not less than 20 cm (9 inches) using cement mortar.
- Foundation:
- The foundation floor is made of cement concrete with a mix ratio of 1:2:4 (cement:sand).
Septic Tank Dimensions:
-
Width: Minimum width of the septic tank is 750 mm.
-
Length: The length of the septic tank should be 2 to 4 times its width.
-
Depth:
- Minimum depth should be 1 meter below the water level.
- The depth can range from 1 to 1.3 meters.
-
Capacity:
- The minimum liquid capacity of the septic tank is 1,000 liters.
- Another specified capacity is 1 cubic meter.
Detention Period:
- Detention Period:
- The detention period for the wastewater in the septic tank is typically 24 hours, allowing solids to settle and scum to float, providing effective primary treatment of the wastewater.
Last updated on Jul 1, 2025
-> SSC JE notification 2025 for Civil Engineering has been released on June 30.
-> Candidates can fill the SSC JE CE application from June 30 to July 21.
-> SSC JE Civil Engineering written exam (CBT-1) will be conducted on 21st to 31st October.
-> The selection process of the candidates for the SSC Junior Engineer post consists of Paper I, Paper II, Document Verification, and Medical Examination.
-> Candidates who will get selected will get a salary range between Rs. 35,400/- to Rs. 1,12,400/-.
-> Candidates must refer to the SSC JE Previous Year Papers and SSC JE Civil Mock Test, SSC JE Electrical Mock Test, and SSC JE Mechanical Mock Test to understand the type of questions coming in the examination.
-> The Staff Selection Commission conducts the SSC JE exam to recruit Junior Engineers in different disciplines under various departments of the Central Government.